Home / 5,825.38-8,739.36-1,665.40

Finding the Fourth Proportional to 5,825.38, 8,739.36 and 1,665.40

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Solution

The fourth proportional to 5,825.38, 8,739.36 and 1,665.40 is: 2,498.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,825.38 : 8,739.36 = 1,665.40 : x
  2. Step 2: Convert to fraction form
    5,825.38/8,739.36 = 1,665.40/x
  3. Step 3: Cross multiply
    5,825.38x = 8,739.36 × 1,665.40
  4. Step 4: Simplify right side
    5,825.38x = 14,554,530.14
  5. Step 5: Solve for x
    x = 14,554,530.14/5,825.38
  6. Step 6: Final answer
    x = 2,498.47

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.